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Power measurement profileShelly

Plug US Gen4

Measuring North American plug-in appliances and logging consumption through a complete operating cycle.

Official specification snapshot

Know the meter’s limit before the load.

AC power and energy

Supply / sockets
120V AC · Type A/B
Maximum current
15A
Maximum output
1,800W
Metering
Real-time power and energy
Safe workflow

From connection to useful number.

  1. 01Confirm a 120V Type A/B supply
  2. 02Check the appliance stays within 15A / 1,800W
  3. 03Measure a complete duty cycle
  4. 04Use both average watts and observed peak where available
Evidence checked 2026-08-22

Read the exact manufacturer instructions.

Product revisions, plugs and certifications can differ by country. Confirm the exact regional model in the official instructions; the documented limit always overrides this summary.

Open Shelly USA official product page ↗
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